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(2021 BM)
Classification: Apollo [NEO]          SPK-ID: 54106296
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1809208060675339 0.0001132  
a 1.191021537771788 0.00015336 au
q .975540961114322 9.2135e-06 au
i 1.264305386563618 0.00074673 deg
node 181.1577279467419 0.00055478 deg
peri 337.9672914797054 0.0028795 deg
M 305.4621249739842 0.0089785 deg
tp 2459272.423955083374
(2021-Feb-26.92395508)
0.0020538 TDB
period 474.7640757485209
1.30
0.091697
0.0002511
d
yr
n .7582713570575407 0.00014645 deg/d
Q 1.406502114429253 0.0001811 au
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      26 days  
   first obs. used      2021-01-16  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .35639  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:24:02  

Additional Information
 Earth MOID = .00396372 au 
 Jupiter MOID = 3.56912 au 
 T_jup = 5.310 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.28   .34159 E2021-BA4 autocmod 2.8

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1999-Aug-07 19:56 9_02:23 Earth 0.37224951400875 0.355339331469599 0.389377160026782 6.28093911724364 6.27979941071022 2451398.330364920 13103.33459579 959994.784072891 39.5898656839641 -27.8826817760668 346844.480696298 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:03 2021-Apr-15 23:24
2003-Oct-05 20:24 2_15:55 Earth 0.370614808577075 0.369929695196578 0.37130310114053 6.411432324951 6.41031089407524 2452918.350258105 3834.62484809317 64054.4656283362 53.0219770915359 57.7140912790323 342275.054444316 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:03 2021-Apr-15 23:24
2012-Aug-07 13:52 3_02:17 Earth 0.375415449191182 0.369740401132776 0.381113234654002 6.32800348193329 6.32688179412567 2456147.077833956 4456.75045275266 318802.819126395 44.6633954322762 -27.2401755342659 302126.366922594 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:03 2021-Apr-15 23:24
2016-Oct-05 06:34 1_12:57 Earth 0.367840939923406 0.365914745953393 0.369779397403351 6.37764315209624 6.37650727653964 2457666.773550371 2217.052153526 143192.135077185 67.4967354776853 47.7277871816921 318274.241222384 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:03 2021-Apr-15 23:24
2021-Feb-17 00:52 00:01 Earth 0.0152838005456442 0.0152547778679571 0.0153128187813021 2.92788334200897 2.86772274587432 2459262.536265697 1.13438379300855 1386.31223481871 4.27901382907654 0.301870633006972 825.798437796603 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:03 2021-Apr-15 23:24
2025-Aug-07 22:46 1_12:59 Earth 0.37711840252278 0.375715416295129 0.378526257016464 6.35829308997708 6.35718178811307 2460895.448761663 2219.12627097047 97352.9391144418 30.2076565162167 -43.9839596428991 587756.315944518 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:03 2021-Apr-15 23:24
2029-Oct-06 01:28 3_02:16 Earth 0.364335655801416 0.357602182693536 0.371114982687188 6.32152516915401 6.32036818195319 2462415.561446688 4455.77524055111 393779.081981676 86.604559605003 31.2014512754797 185862.956845358 T 12 CATAB v2.0g-lin.ifort 2021-Apr-15 23:24:03 2021-Apr-15 23:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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